Uh, no. That study is literally the source of truth on that topic. There's no "to add to".
I hope you never have to experience what me and others who have the same problem have experienced, but I guarantee you you'd want to do the surgery too if you ever did.
In any case, I was happy to share my story but I have zero interest in debating it, so I'll check out here.
I've had constant back pain since my teens (and I'm 50) likely due to a damaged disk. I've already gone through this (I work in the medical field and can consult with doctors and medical researchers). I concluded that the risks of back surgery making a problem worse are high enough that I am going to live with the pain for the foreseeable future.
I hope you never have to experience what me and others who have the same problem have experienced, but I guarantee you you'd want to do the surgery too if you ever did.
In any case, I was happy to share my story but I have zero interest in debating it, so I'll check out here.